A perennial competitor to Ford's Power Stroke V8 and Ram's Cummins turbo diesel inline six-cylinder engines, the 6.6-liter Duramax is one of the most popular diesel powertrains for heavy-duty trucks, ...
Chevrolet offers a choice for the Silverado powertrain: Either the 6.6 L8T gas engine, or the 6.6 Duramax - both of which offer potent towing capacity.
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